blue peafowl vs peafowl

blue peafowl and peafowl both are nouns.

Word	Noun	Adjective	Verb	Adverb
blue peafowl	Yes	No	No	No
peafowl	Yes	No	No	No

As nouns, peafowl is a hypernym of blue peafowl; that is, peafowl is a word with a broader meaning than blue peafowl:

blue peafowl: peafowl of India and Ceylon
peafowl: very large terrestrial southeast Asian pheasant often raised as an ornamental bird

Other hypernyms of blue peafowl include bird of Juno.

blue peafowl (noun)	peafowl (noun)
peafowl of India and Ceylon	very large terrestrial southeast Asian pheasant often raised as an ornamental bird